11-Bay ATX Black Case w/300W Power Supply - Great for P4! Stylish black exterior / Includes 300-watt ATX 100-230V switchable power supply / ATX motherboard power connector / Includes an ATX auxiliary power and ATX 12V connectors Four (4) large drive connectors / One (1) small drive connector / Supports Four (4) 3 x 3-inch fan mounts on front (fans not included) Two (2) 3 x 3-inch fan mounts on rear (fans not included) / Two (2) front mounted USB ports (USB 1.1 rated only) / Power switch / Reset switch Power LED indicator / HDD Access LED indicator / Premounted PC Piezo Speaker / Both exterior side panels removable for easy installation Available Drive Bays: Four (4) externally available 5.25-inch drive bays , Two (2) externally available 3.5-inch drive bays, Five (5) internally available 3.5-inch drive bays